About Us

About Us

Here at Cat Specialist, we are very proud to offer our veterinary services to Castle Rock, CO and the surrounding areas.

Our goal at Cat Specialist is to offer the very best in veterinary care to our patients. To do this, we believe in continuing education and learning as much as possible so that we can offer the highest quality and most up-to-date veterinary care. This holds true for our veterinarians and the rest of our staff. Our patients and their owners deserve to have the very best care when they walk through our doors.

We also want cats and owners to be comfortable in our office. There is nothing worse than going to the doctors and not being able to talk freely. Our veterinarians and staff are here to answer any questions that you may have, no matter how silly they may seem.

To make cats comfortable in our office, we plan to treat each one as if they were our own. To us, this means that we are going to work hard to keep them healthy and figure out what is wrong with them when they are sick. To them, they are going to be showered with love and attention whenever they walk through our doors, from our receptionists, to our techs, and our veterinarians. We all started out as animal lovers who have made it their life’s work to make sure that your cat has an enjoyable visit to our hospital every time.

We are not only here for your cat but we are here to help you! As cat owners ourselves, we understand how hard it can be. We know the challenges and the rewards. We understand the fear when your cat is not feeling well. We also know that with the right care, your cat can live a much happier and healthier life. We are here to help you give your cat the best life that he or she deserves.

So, don’t hesitate to to call us here at 303-663-2287. We can schedule an appointment for you or answer any questions that you may have!

Our Team

Dr. Jennifer Lavallee
A fourth generation veterinarian, Dr. Lavallee graduated in 2005 from U.C. Davis with a B.S. in microbiology, and is a 2009 graduate of Cornell University’s College of Veterinary Medicine. She was the recipient of the prestigious Daphne Award at Cornell, for exceptional clinical proficiency in small animal medicine. She is certified to practice nuclear medicine by the State of Colorado Department of Radiation Safety. She will sit for the ABVP feline specialty board exam in the fall of 2017.

Dr. Lavallee completed a rotating small animal internship at VCA Alameda East in Denver immediately after graduation from veterinary school. Since then, she has worked as a small animal practitioner, an emergency doctor, and in feline exclusive practice since 2012. Dr. Lavallee trained two years with world renowned feline veterinarian and textbook author, Dr. Gary Norsworthy in San Antonio, Texas. She regularly lectures to her veterinary colleagues at state and national conferences. She maintains an interest in research and has collaborated on several academic publications – including a groundbreaking paper about diagnosing the cause of chronic vomiting in cats. She is passionate about client education, and is a regular author of articles on cat health and disease for Cat Fancy Magazine. She owns a talkative FIV-positive black cat named Samson, who she adopted from the shelter.


Dr. Danielle Maybank

Dr. Maybank was born and raised in the Catskill Mountain region of Upstate New York. She is a graduate of Western University College of Veterinary Medicine in southern California. In addition to her DVM degree, she also has a Bachelor’s degree in Communications from Ithaca College. She discovered her passion for feline medicine while working at an animal shelter and watched respiratory disease spread rapidly through the cats in the shelter. In her time there, she advocated for the feline population and created ways to decrease the spread of disease among the shelter cats.

Before starting veterinary school, Dr. Maybank worked for three years as a veterinary assistant at a hospital in Syracuse, NY and then for two years as a veterinary technician at a small animal practice in So. Burlington, Vermont. She has also continued to volunteer at spay and neuter clinics and with TNR (Trap-Neuter-Release) programs for feral and homeless cats. While in veterinary school, Dr. Maybank was on the board of the student chapter of The American Association for Feline Practitioners.

In her spare time, Dr. Maybank enjoys running, dancing, listening to music, spending time with family and friends, and spoiling her sassy calico cat, Lexie. Dr. Maybank is a great addition to the team at Cat Specialist! She looks forward to continuing to make a difference in the health and lives of cats and for the humans that love them.


Dr. James Olson
A third generation veterinarian, Dr. Olson is a 1973 graduate of Cornell University’s College of Veterinary Medicine. He has been a charter recipient of the American Animal Hospital Association’s Excel Award twice for excellence in continuing education. He has served as a member of the board of directors of the American Association of Feline Practitioners for eight years, and helped found it’s Feline Academy. He has lectured at Cornell University, reviewed articles for Feline Practice Journal, and has contributed feline questions for the Veterinary National Board Exam.

Dr. Olson holds the title of Diplomate, Feline Specialty, from the American Board of Veterinary Practitioners. He is also certified to practice nuclear medicine by the State of Colorado Department of Radiation Safety.

Dr. Olson’s special areas of interest are feline well care and client education. He emphasizes pain management and stress relief in the treatment of every sick or injured cat he sees. He is particularly adept at diagnosing the problem, and adheres to a strict protocol in arriving at a diagnosis which involves stabilizing and comforting the cat, then ruling out the most obvious and simple causes first. He has a special medical interest in feline geriatrics, as well as liver and kidney disease, diabetes mellitus, and feline hyperthyroidism.

Our Cats

Lacocoon Samuel Adams
Our handsome Maine Coon Cat “Sam” was bred by Jean Lacroix of Lacolle, Quebec, Canada. He studied for his position under our Director, “Solkatz Red Hook” for 3 years prior to being promoted to Kitty Manager. Sam is ready, willing and able to demonstrate a Catnip Cigar or a Kitty Angler when you come in: toys are his specialty! He’s currently interviewing kittens for an assistant’s position . . . Please come in and meet him, he is large and in charge!



In 2016, we welcomed our newest clinic cat to the practice – Clancy! Cat Specialist formally adopted this gorgeous redhead from Happy Cats Haven in Colorado Springs. Clancy has quickly taken to the job of official greeter: he is most often found right up front on the counter, ready to say hello to clients with gentle nudges and loving head-butts. If he’s not already right there, the sound of the front door opening will bring him running – Clancy loves people and always wants to be where the action is! He also sleeps strategically in the cat bed on the front desk, so he doesn’t miss a thing. It is estimated that he was born in 2014, but he is still a kitten in many ways; he often helps us as a “tester” of the cat toys we have here in retail. Stop in and meet Clancy!


We Treat your kitty like our own!

We do everything we can to help make a visit to the vet clinic as easy as possible. Here’s a few photos of patients during their visits!

We keep cardboard boxes around – because you know how much kitties love them, and sometimes they are the perfect place to hunker.

We try to make cozy cat beds to snuggle in.

And you can rest on top of your carrier if that’s where you feel best!

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